This a large gravel and sand operation. Currently being leased by Peak Gravel and Sand. 30 acres with 17 acres in use as the gravel pit. $48516 income for all 4 quarters of 2017! Verified. Amazing Investment Potential. Gross return on investment for 2017 is 11.4% with all four quarters of the year. Less than 30% of usable aggregate mined so far on the current County Use permit. Call agent for more details.